Mark C Biderman
Insider
First SEC filing: Dec. 9, 2016 · Latest: Dec. 9, 2016
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| April 1, 2026 | ARI | A | 9,587 | · | · | 70,374 Direct | +15.77% | Acquired | (price as of 2026-10-02) |
| April 29, 2025 | ARI | S | 10,000 | $9.48 | $94,800 | 60,787 Direct | -14.13% | Disposed | -34.6% (price as of 2026-10-02) |
| April 1, 2025 | ARI | A | 10,162 | · | · | 70,787 Direct | +16.76% | Acquired | (price as of 2026-10-02) |
| May 1, 2024 | ARI | S | 15,000 | $10.00 | $150,000 | 60,625 Direct | -19.83% | Disposed | -38.0% (price as of 2026-10-02) |
| April 1, 2024 | ARI | A | 9,140 | · | · | 75,625 Direct | +13.75% | Acquired | (price as of 2026-10-02) |
| Sept. 6, 2023 | ARI | S | 10,000 | $10.60 | $106,000 | 66,485 Direct | -13.07% | Disposed | -41.5% (price as of 2026-10-02) |
| April 3, 2023 | ARI | A | 10,822 | · | · | 76,485 Direct | +16.48% | Acquired | (price as of 2026-10-02) |
| May 17, 2022 | ARI | S | 10,000 | $12.68 | $126,800 | 65,663 Direct | -13.22% | Disposed | -51.1% (price as of 2026-10-02) |
| April 1, 2022 | ARI | A | 7,062 | · | · | 75,663 Direct | +10.29% | Acquired | (price as of 2026-10-02) |
| April 26, 2021 | ARI | S | 7,050 | $14.96 | $105,468 | 68,601 Direct | -9.32% | Disposed | -58.6% (price as of 2026-10-02) |
| April 1, 2021 | ARI | A | 7,037 | · | · | 75,651 Direct | +10.26% | Acquired | (price as of 2026-10-02) |
| April 1, 2020 | ARI | A | 16,447 | · | · | 68,614 Direct | +31.53% | Acquired | (price as of 2026-10-02) |
| April 1, 2019 | ARI | A | 5,449 | · | · | 52,167 Direct | +11.66% | Acquired | (price as of 2026-10-02) |
| Dec. 7, 2018 | ARI | S | 10,000 | $18.85 | $188,500 | 46,718 Direct | -17.63% | Disposed | -67.1% (price as of 2026-10-02) |
| Aug. 27, 2018 | ARI | S | 10,000 | $19.45 | $194,500 | 56,718 Direct | -14.99% | Disposed | -68.1% (price as of 2026-10-02) |
| April 2, 2018 | ARI | A | 5,614 | · | · | 66,718 Direct | +9.19% | Acquired | (price as of 2026-10-02) |
| Feb. 20, 2018 | ARI | S | 10,000 | $18.48 | $184,800 | 61,104 Direct | -14.06% | Disposed | -66.5% (price as of 2026-10-02) |
| Aug. 1, 2017 | ARI | A | 2,872 | · | · | 71,104 Direct | +4.21% | Acquired | (price as of 2026-10-02) |
| April 3, 2017 | ARI | A | 2,668 | · | · | 68,232 Direct | +4.07% | Acquired | (price as of 2026-10-02) |
| March 2, 2017 | ARI | S | 15,000 | $18.23 | $273,450 | 65,564 Direct | -18.62% | Disposed | -66.0% (price as of 2026-10-02) |
| Dec. 29, 2016 | ARI | A | 15,000 | · | · | 80,564 Direct | +22.88% | Acquired | (price as of 2026-10-02) |
| Aug. 31, 2016 | ARI | A | 13,689 | · | · | 65,564 Direct | +26.39% | Acquired | (price as of 2026-10-02) |
| April 1, 2016 | ARI | A | 3,101 | · | · | 51,875 Direct | +6.36% | Acquired | (price as of 2026-10-02) |
| Dec. 29, 2015 | ARI | A | 10,000 | · | · | 48,774 Direct | +25.79% | Acquired | (price as of 2026-10-02) |
| April 1, 2015 | ARI | A | 2,900 | · | · | 38,774 Direct | +8.08% | Acquired | (price as of 2026-10-02) |
| Dec. 29, 2014 | ARI | A | 10,000 | · | · | 35,874 Direct | +38.65% | Acquired | (price as of 2026-10-02) |
| April 1, 2014 | ARI | A | 2,977 | · | · | 25,874 Direct | +13.00% | Acquired | (price as of 2026-10-02) |
| April 1, 2013 | ARI | A | 2,826 | · | · | 22,897 Direct | +14.08% | Acquired | (price as of 2026-10-02) |
| Feb. 27, 2013 | ARI | A | 5,000 | · | · | 20,071 Direct | +33.18% | Acquired | (price as of 2026-10-02) |
| Aug. 9, 2012 | ARI | A | 374 | · | · | 15,071 Direct | +2.54% | Acquired | (price as of 2026-10-02) |
| April 2, 2012 | ARI | A | 2,396 | · | · | 14,697 Direct | +19.48% | Acquired | (price as of 2026-10-02) |
| Nov. 11, 2011 | ARI | P | 5,000 | $13.90 | $69,500 | 12,301 Direct | +68.48% | Acquired | -55.4% (price as of 2026-10-02) |
| April 1, 2011 | ARI | A | 2,301 | · | · | 7,301 Direct | +46.02% | Acquired | (price as of 2026-10-02) |
| Dec. 1, 2010 | ARI | A | 5,000 | · | · | 5,000 Direct | · | Acquired | (price as of 2026-10-02) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Dec. 9, 2016 | GECCI | Common Stock | 5,037 | Direct |